ref: 453d28fcc0fa9dcd35ecd0050d8cec395bb161f2
parent: 9dd965b679238e12d72d2ce6b07465dfb5a00a8a
author: Tor Andersson <tor.andersson@artifex.com>
date: Sun Aug 1 09:58:34 EDT 2021
Don't use realloc(p, 0) to mean free() in default regex allocator.
--- a/regexp.c
+++ b/regexp.c
@@ -943,6 +943,10 @@
static void *default_alloc(void *ctx, void *p, int n)
{+ if (n == 0) {+ free(p);
+ return NULL;
+ }
return realloc(p, (size_t)n);
}